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1344314240 = 2752777583
BaseRepresentation
bin101000000100000…
…1001101110000000
310110200120020110022
41100020021232000
510223121023430
6341221153012
745212324333
oct12010115600
93420506408
101344314240
1162a915205
1231625b768
13185682419
14ca77861a
157d0454e5
hex50209b80

1344314240 has 64 divisors (see below), whose sum is σ = 3225778560. Its totient is φ = 535713792.

The previous prime is 1344314183. The next prime is 1344314249. The reversal of 1344314240 is 424134431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344314249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173489 + ... + 181071.

It is an arithmetic number, because the mean of its divisors is an integer number (50402790).

Almost surely, 21344314240 is an apocalyptic number.

1344314240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344314240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612889280).

1344314240 is an abundant number, since it is smaller than the sum of its proper divisors (1881464320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344314240 is an equidigital number, since it uses as much as digits as its factorization.

1344314240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879 (or 7867 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1344314240 is about 36664.8911085251. The cubic root of 1344314240 is about 1103.6556722165.

Adding to 1344314240 its reverse (424134431), we get a palindrome (1768448671).

The spelling of 1344314240 in words is "one billion, three hundred forty-four million, three hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 277 320 554 640 1108 1385 2216 2770 4432 5540 7583 8864 11080 15166 17728 22160 30332 35456 37915 44320 60664 75830 88640 121328 151660 177280 242656 303320 485312 606640 970624 1213280 2100491 2426560 4200982 4853120 8401964 10502455 16803928 21004910 33607856 42009820 67215712 84019640 134431424 168039280 268862848 336078560 672157120 1344314240